RFR: 8302191: Performance degradation for float/double modulo on Linux [v2]

Wed Mar 1 08:27:08 UTC 2023

On Tue, 28 Feb 2023 12:41:07 GMT, Jan Kratochvil <duke at openjdk.org> wrote:

>> test/micro/org/openjdk/bench/vm/floatingpoint/DremFrem.java line 44:
>> 
>>> 42:  * Java bytecode drem is defined as C fmod (not C drem==remainder).
>>> 43:  * GCC since 93ba85fdd253b4b9cf2b9e54e8e5969b1a3db098 has slow fmod().
>>> 44:  * Testcase is based on: https://stackoverflow.com/a/55673220/2995591
>> 
>> That could be a problem. What is the license for code shown on StackOverflow?
>
> A nice catch. I have tried to get a compatible license, we'll see: https://github.com/cirosantilli/java-cheat/pull/3

It is now resolved, the testcase code is now relicensed as GPLv2+.

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PR: https://git.openjdk.org/jdk/pull/12508